This is by design for security reasons.
Open Internet Information Services (IIS).
Browse the Application (ARWebAdmin70)
Right Click and Click on Explore
Find the file Web.Config and open it with Notepad.
Find the tag <appSettings> and under the tag Paste :
<add key="AllowScriptProtocolInURL" value="true"/>
Save the file and close it.
Perform an IISRESET.
Launch the site again and try adding the link again as you did in previous versions.